The Major League Baseball All-Star Home Run Derby is scheduled to start at Great American Ball Park in Cincinnati at 5 p.m. PDT Monday, but there's a chance rain could wash out the annual swat fest.

It's a rainy day in Cincinnati, and the forecast calls for a 75% chance of light rain at starting time. However, the rain is expected to move out of the area by around 7 p.m. PDT.

A two-hour rain delay could make for some antsy home run hitters, and Cincinnati doesn't want to repeat history: The last All-Star Home Run Derby to be rained out was at its old Riverfront Stadium in 1988.

Still, rain delays are just a part of baseball and, apparently, the home run derby. Last year's derby at Target Field in Minneapolis was delayed an hour because of rain.